Checking the Connections

Qualified person

DANGER

Danger to life due to electric shock when live components or cables are touched

High voltages are present in the conductive components or cables of the product. Touching live parts and cables results in death or lethal injuries due to electric shock.

  1. Do not touch non-insulated parts or cables.
  2. Disconnect the product from voltage sources and ensure it cannot be reconnected before working on the device.
  3. After disconnection, wait 15 minutes until the capacitors have discharged.
  4. Observe all safety information on components associated with the product.
  5. Wear suitable personal protective equipment for all work on the product.
  1. Disconnect the Sunny Island from voltage sources ( > Disconnecting the Inverter from Voltage Sources).
  2. Ensure that the cables on the DC+ and DC‒ connections are securely fastened (torque: 12 Nm).
  3. Ensure that the connections are free of corrosion.
  4. Ensure that the cables in the AC1 and AC2 connections are securely fastened.
  5. Close the Sunny Island (see the Sunny Island inverter installation manual).
  6. Switch on all load-break switches and miniature circuit breakers ( > Recommissioning the Inverter).
    Checking the Function
    Cleaning the Fans